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    • 3. 发明公开
    • 화학적기계적연마용슬러리의제조방법
    • 化学机械抛光浆料及其制备方法
    • KR1020000043045A
    • 2000-07-15
    • KR1019980059348
    • 1998-12-28
    • 에스케이하이닉스 주식회사
    • 유재근
    • C09K3/14
    • C09G1/02C09K3/1436C23F1/18C23F1/20C23F1/30H01L21/3212
    • PURPOSE: A method for producing a slurry composition for chemical mechanical polishing is provided which does not generate defects and irrecoverable scratch on a processing surface and has superior polishing characteristics CONSTITUTION: A method comprises the steps of heating distilled water having a specified molar ratio at 90 to 100°C in a reactor, forming a sol solution by adding alkoxide having a specified molar ratio to distilled water in agitation of the reactor and hydrolyzing, reacting by adding nitric acid to the sol solution, and forming slurry by cooling the sol solution. The molar ratio of alkoxide to distilled water is 1 : 50 to 1 : 150.
    • 目的:提供一种用于化学机械抛光的浆料组合物的制造方法,其在加工表面上不产生缺陷和不可恢复的划痕,并且具有优异的抛光特性。一种方法包括以下步骤:将特定摩尔比的蒸馏水加热至90℃ 在反应器中加热至100℃,通过在反应器搅拌下向蒸馏水中加入特定摩尔比的醇盐形成溶胶溶液,水解,通过向溶胶溶液中加入硝酸反应,并通过冷却溶胶溶液形成浆料。 醇盐与蒸馏水的摩尔比为1:50至1:150。
    • 4. 发明公开
    • 반도체 소자의 소자분리막 형성방법
    • 形成半导体器件分离层的方法
    • KR1020000004386A
    • 2000-01-25
    • KR1019980025818
    • 1998-06-30
    • 에스케이하이닉스 주식회사
    • 나상군유재근
    • H01L21/76
    • PURPOSE: An isolating layer formation method of semiconductor devices is provided to prevent variations of doping concentration at boundary between the isolating layer and a silicon substrate by forming an impurity region at inner part of trench. CONSTITUTION: The method comprises the steps of: forming a first oxide(120 and a nitride(13) on a silicon substrate(11) having well regions; exposing the silicon substrate by etching the nitride and the first oxide layers; forming a trench(14) by etching the exposed silicon substrate; forming a second oxide(15) at bottom and sidewalls of the trench by thermal oxidation; depositing a third oxide(16) on the resultant structure; forming an impurity region(17) at inner part of the trench formed the third and second oxides; and filling an oxide layer into the trench to form an isolation layer(20), thereby reducing an inverse narrow width effect of devices.
    • 目的:提供半导体器件的隔离层形成方法,以通过在沟槽的内部形成杂质区域来防止隔离层和硅衬底之间边界处的掺杂浓度的变化。 构成:该方法包括以下步骤:在具有阱区的硅衬底(11)上形成第一氧化物(120和氮化物),通过蚀刻氮化物和第一氧化物层来暴露硅衬底;形成沟槽 通过蚀刻暴露的硅衬底;通过热氧化在沟槽的底部和侧壁处形成第二氧化物(15);在所得结构上沉积第三氧化物(16);在第四氧化物的内部形成杂质区域(17) 所述沟槽形成第三和第二氧化物;以及将氧化物层填充到沟槽中以形成隔离层(20),从而减小器件的反向窄宽度效应。
    • 6. 发明公开
    • 반도체소자의다공성알루미나층간절연막형성방법
    • 形成半导体器件的多孔氧化铝层间隔绝缘膜的方法
    • KR1020000003415A
    • 2000-01-15
    • KR1019980024657
    • 1998-06-29
    • 에스케이하이닉스 주식회사
    • 유재근
    • H01L21/31
    • PURPOSE: A method for forming porous alumina interlayer insulating film of a semiconductor device is provided to volatilize the solvent easily after the spin coating and to improve the characteristic of the film. CONSTITUTION: The interlayer insulating film forming method for a semiconductor device comprises the steps of: forming hydrolyzed sol solution by mixing alkoxide with distilled water; coating the sol solution onto the wafer; forming alumina interlayer insulating film having many porosity in its inner part by performing the heat treatment; and peptizing the sol solution by adding the nitric acid at over 90°C of temperature for 24 hours.
    • 目的:提供一种用于形成半导体器件的多孔氧化铝层间绝缘膜的方法,用于在旋涂之后容易挥发溶剂并改善膜的特性。 构成:半导体器件的层间绝缘膜形成方法包括以下步骤:通过将醇盐与蒸馏水混合形成水解溶胶溶液; 将溶胶溶液涂布到晶片上; 通过进行热处理在其内部形成具有许多孔隙的氧化铝层间绝缘膜; 并通过在超过90℃的温度下加入硝酸24小时来溶胶化溶液。
    • 8. 发明公开
    • 화학적 기계적 연마공정을 위한 더미패턴 형성방법
    • 用于形成CMP的DUMMY图案的方法
    • KR1020020051295A
    • 2002-06-28
    • KR1020000080902
    • 2000-12-22
    • 에스케이하이닉스 주식회사
    • 유재근
    • H01L21/302
    • PURPOSE: A dummy pattern formation method for CMP(Chemical Mechanical Polishing) is provided to improve a yield and a stability by using dummy patterns having variable shapes. CONSTITUTION: A plurality of isolated dummy patterns having a rectangular shape are arranged to be apart from each other. Gate dummy patterns(20) having constant distance are formed on the isolated dummy patterns without overlapping to the isolated dummy patterns. At this time, the structure of the gate dummy patterns(20) has a stripe-shape, a cruciate-shape and a mesh-shape. Also, the width of the gate dummy patterns(20) has about 0.67 micrometer, 1.0 micrometer, or 2.0 micrometer.
    • 目的:提供一种用于CMP(化学机械抛光)的虚拟图形形成方法,通过使用具有可变形状的虚拟图案来提高成品率和稳定性。 构成:具有矩形形状的多个隔离虚拟图案被布置为彼此分开。 具有恒定距离的门虚拟图案(20)形成在隔离的虚拟图案上,而不与孤立的虚拟图案重叠。 此时,门虚拟图案(20)的结构具有条状,十字形和网状。 此外,栅极虚拟图案(20)的宽度具有约0.67微米,1.0微米或2.0微米。
    • 10. 发明公开
    • 폐슬러리 처리 방법
    • 处理废浆的工艺
    • KR1020010004725A
    • 2001-01-15
    • KR1019990025439
    • 1999-06-29
    • 에스케이하이닉스 주식회사
    • 유재근홍정균
    • B09B3/00
    • B09B3/0083B01D24/001Y02W30/52
    • PURPOSE: A process for treating waste slurry generated from chemical mechanical polishing process is provided which uses a ceramic porous alumina filter. CONSTITUTION: The process comprising the steps of: analyzing chemical components and particle size distribution of slurry before and after the polishing process and then deriving data about the particle size of the slurry and the distribution thereof; producing the filter and then installing in the waste slurry line; filtering the slurry by using the filter and then deriving the filtering ability and the separating ratio of the filter in order to set the management-standard; analyzing components of the filtered waste slurry and then managing the waste slurry. The filter is produced by a process comprising the steps of: preparing a suspension comprising powdery alumina having an average particle size of 0.5-1.0 μm, distilled water, and a peptizing agent; injecting the suspension in a gypsum mold for slip casting and then drying to form the filter; heat-treating the formed filter at 1300°C, 1400°C, and 1500°C.
    • 目的:提供一种用于处理由化学机械抛光工艺产生的废浆的方法,其使用陶瓷多孔氧化铝过滤器。 方法:该方法包括以下步骤:分析抛光过程之前和之后的浆料的化学成分和粒度分布,然后得出关于浆料的粒径及其分布的数据; 生产过滤器,然后安装在废浆管线中; 通过使用过滤器过滤浆料,然后得出过滤器的过滤能力和分离比,以设定管理标准; 分析过滤的废浆料的组分,然后管理废浆。 该过滤器通过包括以下步骤的方法生产:制备包含平均粒度为0.5-1.0μm的粉末状氧化铝的悬浮液,蒸馏水和胶溶剂; 将悬浮液注入石膏模具中以进行滑移浇铸,然后干燥以形成过滤器; 在1300℃,1400℃和1500℃下对形成的过滤器进行热处理。